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require "cases/helper"
require "models/contact"
require "models/helicopter"
class ConversionTest < ActiveModel::TestCase
test "to_model default implementation returns self" do
contact = Contact.new
assert_equal contact, contact.to_model
end
test "to_key default implementation returns nil for new records" do
assert_nil Contact.new.to_key
end
test "to_key default implementation returns the id in an array for persisted records" do
assert_equal [1], Contact.new(id: 1).to_key
end
test "to_param default implementation returns nil for new records" do
assert_nil Contact.new.to_param
end
test "to_param default implementation returns a string of ids for persisted records" do
assert_equal "1", Contact.new(id: 1).to_param
end
test "to_param returns the string joined by '-'" do
assert_equal "abc-xyz", Contact.new(id: ["abc", "xyz"]).to_param
end
test "to_param returns nil if to_key is nil" do
klass = Class.new(Contact) do
def persisted?
true
end
end
assert_nil klass.new.to_param
end
test "to_partial_path default implementation returns a string giving a relative path" do
assert_equal "contacts/contact", Contact.new.to_partial_path
assert_equal "helicopters/helicopter", Helicopter.new.to_partial_path,
"ActiveModel::Conversion#to_partial_path caching should be class-specific"
end
test "to_partial_path handles namespaced models" do
assert_equal "helicopter/comanches/comanche", Helicopter::Comanche.new.to_partial_path
end
end
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